Instantly turn your wide-mouth mason jars into small-batch fermentation vessels. Our silicone fermentation stretch lids are designed to grip the top of all standard sized wide mouth mason jar, creating an airtight seal. Each lid is equipped with a one-way pressure release valve; this waterless airlock allows carbon dioxide to escape during fermentation without allowing oxygen into your fermenter, protecting your batch from outside contaminants. Our fermentation stretch lids are made from the highest quality silicone - strong, durable, and reusable. Perfect for use with all small batch fermentation.

• PATENT PENDING FERMENTATION STRETCH LIDS - Just One Single Piece, Each Silicone Stretch Airlock Lid Immediately Turns Any Wide Mouth Mason Jar Into A Vegetable Fermenter; No Pesky Bands, Rings, Water, Or Maintenance Needed!
• SET IT AND FORGET IT - Our Self Burping Silicone Fermentation Stretch Lids Are Designed To Grip The Top Of Any Standard Sized Wide Mouth Mason Jar Creating An Air-tight Seal. Simultaneously, Each Lid Is Equipped With A One-way Pressure Release Valve; This Waterless Airlock Allows Built-up Carbon Dioxide Gas To Escape During Fermentation Without Allowing Oxygen Into Your Fermenter, Protecting Your Batch From Outside Contaminants.
• HOMEMADE PROBIOTIC-RICH FOOD MADE EASY: Fermentation Stretch Lids Are Perfect For All DIY Fermentation Needs. Make Your Own Pickles, Sauerkraut, Ginger, Pickled Eggs, Kimchi, Vinegar, Hot Sauce & More. Get Creative And Create Your Own Fermented Vegetable Blend From Cucumbers To Carrots, Cabbage, Tomatoes, Radishes, Garlic & More. Natural, Economic Probiotics Made Simple. What Will You Make?
• NO HASSLE FOOLPROOF FERMENTATION: Fermenting Veggies Shouldn't Be Tricky, And Neither Should The Equipment Being Used. All You Need To Ferment Veggies Is A Single Item - A Fermentation Silicone Stretch Lid—No Need To Tinker Around With Crazy Contraptions, Gadgets, Hand Pumps, Rings, Bands, Accessories, Or Water. Just Place The Lid On Your Jar And Wait.
• Our Fermentation Stretch Lids Are Made From The Highest Quality Silicone - Strong, Durable, And Reusable. They Are BPA-Free , Contain No Phthalates, And Are Easy To Clean. Perfect For Use With All Small Batch Fermentation And Pickling Needs.